United States Patent 3326663
Inventors:
Soloway, Samuel B.
Zwahlen, Kenneth D.
Publication Date:
06/20/1967
Other Classes:
558/428, 504/330, 564/52, 564/53, 564/49, 564/50, 558/417, 560/313
International Classes:
C07C317/42; C07C323/44; C07C317/00; C07C323/00